Nightwish

Century Child	9
Oceanborn	9
Imaginaerum	9
Human. :II: Nature.	9
Wishmaster	8
Once	8
Angels Fall First	8
Dark Passion Play	8
Endless Forms Most Beautiful	7

Nile

Legacy Of The Catacombs [Compilation]	10
Those Whom The Gods Detest	10
Amongst The Catacombs Of Nephren-Ka	9
In Their Darkened Shrines	9
Annihilation Of The Wicked	9
Black Seeds Of Vengeance	8
Ithyphallic	8
Vile Nilotic Rites	8

Nine Inch Nails

The Downward Spiral

7

Nocte Obducta

Nektar Teil II: Seen, Flüsse, Tagebücher

8

Nocturnus

The Key	9
Thresholds	8

Noumena

Absence	7
Anatomy Of Life	7

Novembers Doom

The Novella Reservoir	8
Of Sculptured Ivy And Stone Flowers	7
Bled White	7

Obituary

Cause Of Death	10
Slowly We Rot	9
Frozen In Time	7

Obscura

Diluvium	8
Omnivium	7

Obscure Sphinx

Void Mother

7

Occlith

Gates, Doorways, And Endings

7

Oceans Of Sadness

Mirror Palace	9
The Arrogance Of Ignorance	8

October Tide

Rain Without End

8

Odraza

Rzeczom

6

Old Forest

Back Into The Old Forest

7

Old Man's Child

Ill-Natured Spiritual Invasion	9
In Defiance Of Existence	8

Omen

Battle Cry

9

Omnium Gatherum

The Redshift	7
New World Shadows	7
Spirits And August Light	6
The Burning Cold	6

On Thorns I Lay

Orama	8
Crystal Tears	7
Threnos	7
Aegean Sorrow	5

Opera IX

The Black Opera: Symphoniae Mysteriorum In Laudem Tenebrarum

8

Opeth

Still Life	10
Blackwater Park	10
Morningrise	9
Damnation	9
Deliverance	8
Ghost Reveries	8
In Cauda Venenum	8
My Arms, Your Hearse	7
Watershed	7
Heritage	7
Pale Communion	7
Sorceress	7
Orchid	5

Ophis

Withered Shades

7

Orange Goblin

Time Travelling Blues	10
Frequencies From Planet Ten	9
The Big Black	8
Thieving From The House Of God	8

Oranssi Pazuzu

Mestarin Kynsi

9

Orden Ogan

To The End

9

Orphaned Land

Sahara	8
The Never Ending Way Of ORwarriOR	8
Mabool: The Story Of The Three Sons Of Seven	7
El Norra Alila	6

OSI

Free

7

Otyg

Älvefärd	8
Sagovindars Boning	8

Ov Hell

The Underworld Regime

8

Overkill

Taking Over	9
Horrorscope	9
Feel The Fire	8
The Years Of Decay	6
The Electric Age	6

Oz

Fire In The Brain

8

Ozzy Osbourne

Diary Of A Madman	10
No More Tears	10
Live & Loud [DVD]	10
Blizzard Of Ozz	9
Under Cover [Compilation]	7
Scream	7
Black Rain	6

Pain Of Salvation

Remedy Lane	9
The Perfect Element, Part I	7

Panopticon

The Scars Of Man On The Once Nameless Wilderness

7

Pantera

Cowboys From Hell	10
The Great Southern Trendkill	9
Vulgar Display Of Power	8
Far Beyond Driven	8
Reinventing The Steel	8

Panzerfaust

The Suns Of Perdition - Chapter III: The Astral Drain

8